Home / 18,529.76-25,570.82-10,146.26

Finding the Fourth Proportional to 18,529.76, 25,570.82 and 10,146.26

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Solution

The fourth proportional to 18,529.76, 25,570.82 and 10,146.26 is: 14,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.76 : 25,570.82 = 10,146.26 : x
  2. Step 2: Convert to fraction form
    18,529.76/25,570.82 = 10,146.26/x
  3. Step 3: Cross multiply
    18,529.76x = 25,570.82 × 10,146.26
  4. Step 4: Simplify right side
    18,529.76x = 259,448,137.40
  5. Step 5: Solve for x
    x = 259,448,137.40/18,529.76
  6. Step 6: Final answer
    x = 14,001.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.